Wireless charger



FIG. 1 is a top, front perspective view of a wireless charger showing my new design;

FIG. 2 is a bottom, rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the wireless charger, which form no parts of the claimed design. 

CLAIM The ornamental design for a wireless charger, as shown and described. 